ETH100 Rev.
7
7.3
DIP switches - Version 2
The tables, on the next page, explain the functionality of the DIP switches shown in the
figure below.
DIP switch # 1
DIP switch # 8
DIP switch #
Description
1
2
Auto
3 MDI/
MDIX
4 Reserved
5 Reserved
6 Reserved
7 Reserved
8 Sensitivity
Limitation
7.3.1
DIP switch # 1 & 2 Auto
Only valid for port E1, port E2 is always AUTO.
DIP sw#1
DIP sw#2
Description
ON ON
Auto-negot Auto, MDI/MDIX (cross-over).
DEFAULT
OFF
ON
100Mbps, Full duplex. Do not use against Auto-neg. Link partner
ON
OFF
100Mbps, Half duplex
OFF
OFF
10Mbps, Half duplex
In case of doubt leave in AUTO mode (DIP switch 1 & 2 to “ON”)
7.3.2
DIP switch # 3 MDI/MDIX
DIP switch # 1 & 2 to “ON” gives AUTO mode => gives auto crossover. All other modes
utilize DIP switch # 3 for setting crossover.
DIP sw#3
Description
ON
MDI (Media Depended Interface)
DEFAULT
OFF
MDIX (Media Depended Interface-crossover)
7.3.3
DIP switch # 8 Sensitivity limitations
DIP sw#8
Description
ON
Max sensitivity
DEFAULT
OFF
Sensitivity limitations, max sensitivity limited to –27dBm (to be used when
integrating the ETH-100 module in multi-channel systems (CWDM & DWDM)
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